名词
中文翻译：铁路
同义词：
['railway', 'electrified railway', 'signalrailway']
例句：
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1. Therailway line runs through the city center.
这条铁路线穿过市中心。
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2. The electrifiedrailway is faster and more efficient than theold one.
电气化铁路比旧的快且效率高。
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3. The signal railway is essential forensuring safe travel.
信号铁路对于确保安全旅行至关重要。